In the long run they will no doubt be better for his business than the few who want to buy synthetic cannabis.
His stance also ignores police reports that these substances are becoming a factor in a number of crimes, including violent offending and reports that these drugs are making people ill.
Bay health professionals have reported young people experiencing psychotic episodes after using the drugs.
In one case, a boy who was smoking K2 ended up in hospital overnight after he was found in a ditch trying to eat dirt.
The boycott follows a protest by Manurewa residents this month outside a High Zone store to protest the sale of drugs in the community.
The Associate Health Minister's new regime for party pills and fake cannabis will require makers to prove their products are "low risk" before they can be put on the market.
Until the new legislation is introduced, consumers concerned about legal highs can follow the lead of Matua residents and boycott outlets stocking these products.